Home / 892,513.39-1,231,364.32-570,409.30

Finding the Fourth Proportional to 892,513.39, 1,231,364.32 and 570,409.30

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Solution

The fourth proportional to 892,513.39, 1,231,364.32 and 570,409.30 is: 786,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,513.39 : 1,231,364.32 = 570,409.30 : x
  2. Step 2: Convert to fraction form
    892,513.39/1,231,364.32 = 570,409.30/x
  3. Step 3: Cross multiply
    892,513.39x = 1,231,364.32 × 570,409.30
  4. Step 4: Simplify right side
    892,513.39x = 702,381,653,002.93
  5. Step 5: Solve for x
    x = 702,381,653,002.93/892,513.39
  6. Step 6: Final answer
    x = 786,970.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.